Builders FirstSource Inc

For the period ended Mar 31, 2025. Filed May 1, 2025.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2025 · Filed May 1, 2025

BLDR$65.97+5.5%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

ExhibitNumber	Description
3.1	Amended and Restated Certificate of Incorporation of Builders FirstSource, Inc. (incorporated by reference to Exhibit 3.1 to Amendment No. 4 to the Registration Statement of the Company on Form S-1, filed with the Securities and Exchange Commission on June 6, 2005, File Number 333-122788)
3.2	Amendment to Amended and Restated Certificate of Incorporation of Builders FirstSource, Inc. (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed with the SEC on January 4, 2021, File Number 0-51357)
3.3	Amended and Restated By-Laws of Builders FirstSource, Inc. (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K, filed with the Securities and Exchange Commission on April 28, 2022, File Number 001-40620)
31.1*	Certification of Chief Executive Officer pursuant to 17 CFR 240.13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, signed by Peter M. Jackson as Chief Executive Officer
31.2*	Certification of Chief Financial Officer pursuant to 17 CFR 240.13a-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, signed by Pete R. Beckmann as Chief Financial Officer
32.1**	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, signed by Peter M. Jackson as Chief Executive Officer and Pete R. Beckmann as Chief Financial Officer
101*	The following financial information from Builders FirstSource, Inc.’s Form 10-Q filed on May 1, 2025 formatted in Inline eXtensible Business Reporting Language (“Inline XBRL”): (i) Condensed Consolidated Statement of Operations for the three months ended March 31, 2025 and 2024, (ii) Condensed Consolidated Balance Sheet as of March 31, 2025 and December 31, 2024, (iii) Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2025 and 2024, (iv) Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three months ended March 31, 2025 and 2024 and (v) the Notes to Condensed Consolidated Financial Statements.
104*	The cover page for the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2025, has been formatted in Inline XBRL.

Filed herewith.

** Builders FirstSource, Inc. is furnishing, but not filing, the written statement pursuant to Title 18 United States Code 1350, as added by Section 906 of the Sarbanes-Oxley Act of 2002, of Peter M. Jackson, our Chief Executive Officer, and Pete R. Beckmann, our Chief Financial Officer.

Indicates a management contract or compensatory plan or arrangement.

SIGNAT URES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

BUILDERS FIRSTSOURCE, INC.

/s/ PETER M. JACKSON

Peter M. Jackson

President and Chief Executive Officer

(Principal Executive Officer)

/s/ PETE R. BECKMANN

Pete R. Beckmann

Executive Vice President and Chief Financial Officer(Principal Financial Officer)

/s/ MATTHEW TRESTER

Matthew Trester

Vice President and Controller

(Principal Accounting Officer)

ContentsView on SEC.gov

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